Home / 127,001.10-175,267.22-72,558.03

Finding the Fourth Proportional to 127,001.10, 175,267.22 and 72,558.03

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Solution

The fourth proportional to 127,001.10, 175,267.22 and 72,558.03 is: 100,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001.10 : 175,267.22 = 72,558.03 : x
  2. Step 2: Convert to fraction form
    127,001.10/175,267.22 = 72,558.03/x
  3. Step 3: Cross multiply
    127,001.10x = 175,267.22 × 72,558.03
  4. Step 4: Simplify right side
    127,001.10x = 12,717,044,206.78
  5. Step 5: Solve for x
    x = 12,717,044,206.78/127,001.10
  6. Step 6: Final answer
    x = 100,133.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.